Autographic recording apparatus



- March 24, 1936. I I w, QHARTWIEG AUTOGRAPHIC RECORDING APPARATUS 2 Sheets-Sheet 1 Filed Jun 19, 1934 March 24, 1936. w. HARTWIEG 2,035,316-

I AUTOGRAPHIC RECORDING APPARATUS Filed June 19, 1954' 2 Sheets-Shet 2 lnvenzon Patented Mar. 24, 1936 UNITED STATES PATENT: OFFICE AUTOGRAPHIC RECORDING APPARATUS Germany Application June 19, 1934, Serial No. 731,339

In Germany July 5, 1932 16 Claims. (01. 282-16) Applications have been filed in the following foreign countries: Germany, Serial, L. 81,528/43a, filed July 5, 1932 (597,672) not yet issued, Germany, Serial L. 82,672/43a, filed Dec. 15, 1932 (597,673) not yet issued, Switzerland, Serial No. 2200, filed Sept. 4, 1933, Italy, Patent 316,304, filed Sept. 18, 1933, Great Britain, Serial No. 28,773/ 33 (408,163), filed Oct. 18, 1933, and France, Serial No. 362,865, filed Jan. 11, 1934 (766,859).

The present invention relates to autographic recording-apparatus and more particularly to a device for straightening and smoothing two or more superimposed sections of paper bands bounded by folds or perforations in such apparatus, in which the paper bands at the folded or perforated boundaries thereof are bent over the edge of a bar, and if desired clamped.

The invention has for its object to prevent the overrunning of the lower paper band in its feed, and to obtain an exact straightening and a smooth superimposing of the paper band sections which are to be filled up in an opening of the cover of the apparatus. This is attained, according to the invention, by the section of the paper bands bent over or hooked at the edge of the bar being drawn smooth on a discontinuous further feed by the rubbing of one or more of the rollers serving for the transport'of the paper bands on the section to be straightened, and if desired with the cooperation of a counter-roller.

The drawings show diagrammatically some examples of construction of the invention.

Figure 1 is a view of the apparatus in open position.

Figure 2 sho'ws diagrammatically in side elevation one form of construction of the essential parts of the apparatus.

Figure 3 is a plan view of the driving arrangement for the feed and smoothing of the paper band sections. a

Figure 4 shows separately in side elevation a feed roller having a construction differing from that in Figures 1 and 2 of the parts for smoothing the paper band sections.

Figure 5 shows in a longitudinal section through the casing another construction of the automatically stacked.

new apparatus in side elevation.

Figure 6 shows separately in side elevation the upper end of a flap that assists the bending of the paper band sections on the edge of the bar.

Figure 7 shows in side elevation another construction of the upper end of the flap.

Figure 8 is a plan view of a detail shown in Figure 4.

Figures 9 and 10 show a special arrangement smoothed by friction.

'of the carbon paper sheets provided between the separate paper band sections.

For the purpose of exactly straightening the sections of paper bands I .bounded by folds or perforations in autographic recording apparatus, the paper bands I are bent at the boundary zone 2, which is weakened by perforations or the like, round a bar 3, and thereby hooked, and then ac cording to the invention smoothed over the particular section to be written upon by an intermittent further movement. The bar 3 serving for bending the paper band sections I in known manner is formed, in the example of construction shown in Figure 2, by the sharpened front edge of a plate 4 which serves as a writing table, or support for the section of the paper bands to be filled up. In Figure 2 the position is shown in which the bending of a section of the two or more 7 paper bands, indicated by thechain-dotted line I,

takes place at the bar ,3, and at the same time the further forward feed of the paper bands is interrupted. The interruption of the further feed is effected by recesses 6 provided in the periphery of the feed-rollers 5. In order, to draw the paper section smooth on the subsequent further feed movement and thus to preadjust paper bands I in the section I according to Figures 2 and 3, an arched or convex part I is provided in the re-' cessG on the middle feed roller 5. The arched portion 1 rubs on the inner paper band and the counter-roller 8 rubs on the outer paper band so that the outer and inner paper bands as well as any further interjacent paper bands are Instead of the arched portion 1 provided on the middle one of the feed rollers 5 and operated by means of the crankhandle 9 for smoothing the paper sections, a movable slide member I I standing under the action of a leaf spring III is provided, in the example of construction shown in Figure 4, on the feed roller laterally of the recess 6 which causes the interruption of the feed. The paper bands I are stacked in zig-zag folds in the construction shown in Figure 1. In a similar manner the control strip l after being written upon in an opening 38 of the cover 39 of the apparatus is again In the example of construction shown in Figures 5 to 7, a securing device, consisting of a pivoted flap I3, is provided, which clamps on the bar 3 the section of, the paper bands to .be

straightening is improved. The flap I3 in proximity to the bar edge 3 which serves for the bending bears continuously under the action of a spring I2 on the paper bands indicated by the chain-dotted line I, its pressure being gradually increased shortly before the entrance of the bending of the fold or the perforations 2 on the edge 3. The gradual increase in the tension of the spring I2 may take place, for example, in the position of the fold 2 shown in Figure 6 and attain its greatest value at the moment of the bending or hooking of the fold 2 on the bar edge 3 shown in Figure 5 or Figure '7.

For the purpose of more securely guiding the fold 2 on the flap I3, this latter is provided near its upper end with a concave curve I3. Whilst according to Figures 5 and 6 the flap I3 which stands continuously under spring action is provided with an angular bend I4 engaging over the edge of the bar 3, according to Figure 7 the flap is made smooth at the upper end. The upper edge I3 of the flap I3 can, in this case, in the bent over position of the paper bands I and the maximum pressure of the spring I2 press the paper bands against the lower side of the bar 3, as is shown in Figure 1, or against the edge of the bar itself, or even terminate below the bar, and in this case simply resiliently bear against the paper bands without pressing these against a rigid abutment.

The flap I3 which constantly bears on the paper bands I under the action of the spring I2, is mounted, in the construction shown in Figure 5, on the axis I5 that connects two levers I'I pivoted on the pin I6, which levers are moved in such a way by the feed mechanism shortly before the bending over of the paper band sections I that the flap I3 alters its position corresponding to the rocking of the levers I1 and at the same time the spring I2 is more strongly tensioned. For this purpose, the spring I2 is secured at one end at I8 to the wall of the casing I9,

and at the other end to an extension 20 on the I! to the left causes a rocking of the flap I3 and an increase in the tension of the spring I2 definite position of the feed rollers 5 and paper bands I influences a projection, for example, a

roller 23, on a displaceable lever 25 connected at one end to a connecting axis 33 of the lever I1 and sliding with a longitudinal slot 24 at the other end on the axis 2I of the feed mechanism.

In Figure 5, the sliding lever 25 is displaced in the extreme position to the left under the influence of the nose 22, in which position the spring I2 attains its highest tension and the fold or the perforations 2 of the paper bands I is hooked on the edge of the bar 3. Even after the nose 22 has rolled off the projection 23 of the lever 25, the flap I3 is held under the same maximum spring pressure until the smoothing of the paper bands has taken place and after the bent paper sections have been written upon the further feed of the paper bands is effected by afurther rotation of the crank handle 9. The securing of the flap I3 in the position shown in Figure 5 during the drawing smooth of the paper sections is effected according to the invention by a locking pawl 26 which automatically engages on the rocking of the lever IT to the left, and on the attaining of the end-position of the flap I3 shown in Figure 5 snaps behind a shoulder 21 of the lever 25 under the action of the spring 28.

For releasing the locking pawl 26 on the further feed of the paper bands, according to the invention a knob 29 having a cone 30 is provided on the wall I9 of the casing, which permits a lever 32 pivoted on the axis 3I to rock in the direction of the arrow shown in Figure 5, and thus disengages the pawl 26. The knob 29 serves, if desired, at the same time as a stop for the crank handle 9 connected to the shaft 2I (Figures 1, 2 and 3) and serving for driving the feed mechanism, which crank handle can in this case be operated only after the knob 29 is pressed in and thereby the disengagement of the pawl 26 effected. By the disengagement of the locking pawl 26, the rod 25, rocking lever I! and the flap I3 are moved back, in the direction of the arrows shown in Figure 5, into their initial position under the action of the spring I2, the tension of which is thus slackened, so that the flap I3 now again bears with comparatively slight pressure on the paper bands I, until on the further feed of the paper bands their fold, 2 again comes in proximity to the edge 3 of the bar.

In order that the carbon paper sheets or hands between the paper bands in the straightened section may not be damaged and torn by the folds 2 or the like on the forward movement of the paper bands, the carbon paper sheets or bands are, according to the invention, protected separately by bars 34 at the inlet edge of the paper bands I. In the construction shown in Figures 9 and 10, the protective bars 34 are releasably secured by slotted holes 35 on rivets 36 on the writing table 4, and consist of two limbs which enclose the carbon paper sheets 3'! at the inlet edge of the paper bands I. On the further feed of the paper bands any projecting ridges on the paper bands, for example, the projecting fold edges of perforations, are smoothed down by the bars 34, and if necessary the paper bands adhering together at the edges of the folds separated from one another, and any damage to the carbon paper sheets prevented.

What I claim is:

1. An autographic register having, in combination, means for feeding a plurality of superimposed strips of paper marked off into sections, a transverse strip checking edge, means to draw smooth the sections of the strips guided to writing position and engaging on one end the checking edge, and means to render inoperative said feeding means during the smoothing of said sections of the strips.

2. An autographic register having, in combination, means for feeding a plurality of superimposed strips of paper marked off into sections, a transverse strip checking edge, a strip gripper movable into and out of position for urging the strips toward the checking edge, means to draw smooth the sections of the strips guided to writing position and engaging on one end the checking edge, and means to render inoperative said feeding means during the smoothing of said sections of the strips.

3. An autographic register having, in combination, rollers for feeding a plurality of super imposed strips of paper marked off into sections and having recesses on their periphery interrupting the feeding of the strips on a part of each rotation of the rollers, a transverse strip checking edge, and means to draw smooth the sections of the strips engaging the checking edge during the interruption of the feed movement.

4. An autographic register having, in combination, rollers for feeding a plurality of superimposed strips of paper marked off into sections and having recesses on their periphery for interrupting the feeding of the strips on a part of each rotation of the rollers, a transverse strip checking edge, a pivotally mounted strip gripper to urge the strips toward the checking edge, and means to smooth the sections of the strips engaging on one end the checking edge during the interruption of the feed movement.

5. An autographic register having, in combination, rollers for feeding a plurality of superimposed strips of paper marked off into sections, a strip checking edge for aligning the sections of the strips guided to writing position, the rollers having recesses on their periphery for interrupting the feeding of the strips on a part of each rotation of the rollers and having a convex part in said recesses rubbing on and smoothing the section of the strips engaging the checking edge during the interruption of the feed movement.

6. An autographic register having, in combination, rollers for feeding a plurality of superimposed strips of paper marked off into sections, a strip checking edge for aligning the sections of the strips guided to writing position, the rollers having recesses on their periphery for interrupting the feeding of the strips on a part of each rotation of the rollers and having a spring in the zone of the recesses sliding on and smoothing the section of the strips engaging the check-' ing edge during the interruption of the feed movement.

'7. An autographic register having, in combination, rollers for feeding a plurality of superimposed strips of paper marked off into sections, a strip checking edge for aligning the sections of the strips guided to writing position, the rollers having recesses on their periphery for interrupting the feeding of the strips on a part of each rotation of the rollers and having a springactuated slipper in the zone of the recesses to slide on and smooth the section of the strips engaging the checking edge during the interruption of the feed movement.

8. An autographic register having, in combination, means for feeding a plurality of superimposed strips of paper having spaced transverse weakening lines, a transverse strip checking edge, a pivotally mounted strip gripper comprising a flap adapted to bear on the paper strips near the checking edge, a spring mounted to actuate the strip gripper, and means to gradually increase the pressure of the gripper shortly before the weakened line of the paper strips arrives at the strip checking edge.

9. An autographic register having, in combination, means for feeding a plurality of superimposed strips of paper having spaced transverse weakening lines, a transverse strip checking edge, a pivotally mounted strip gripper having a concave curvature near its bearing point on the strips for guiding the weakened line of the strips, a spring mounted to actuate the strip gripper, and means to gradually increase the pressure of the gripper shortly before the weakened line of the paper strips arrives at the strip checking edge.

10. An autographic register having, in combination, means for feeding a plurality of superimposed strips of paper having spaced transverse weakening lines, a transverse strip checking edge, means to draw smooth the sections of the strips engaging the checking edge, means for interrupting the feeding of the strips during the smoothing of the strips, a pivotally mounted strip gripper comprising a flap adapted to bear on the paper strips near the checking edge and having an angular end plate cooperating with the checking edge, means to move the strip gripper into and out of position, a spring actuating the strip gripper, and means to gradually increase the tension of the spring and the pressure of the strip gripper shortly before the weakened zone of the paper strips arrives at the strip checking edge.

11. An autographic register having, in combination, means for feeding a plurality of superimposed strips of paper having spaced transverse weakening lines, a transverse strip checking edge, a pivotally mounted strip gripper mounted on the connecting axis of two rocking levers moved by the strip feeding means, a spring actuating the strip gripper, and means for moving said levers shortly before the weakened line of the paper strips arrives at the strip checking edge.

12. In an autographic register as specified in claim 8, the combination with a locking device adapted to hold the strip gripper under the maximum spring tension and in its position during the aligning and smoothing operation of the strips.

13. An autographic register having, in combination, a register casing means for feeding a plurality of superimposed strips of paper having spaced transverse weakening lines, a transverse strip checking edge, a strip gripper mounted on the connecting axis of levers moved by a traction rod connected to a driving member secured to the axis of the strip feeding means, a spring mounted to actuate the strip gripper, means to gradually increase the pressure of the gripper shortly before the weakened line of the strips arrives at the checking edge, a locking device comprising a spring-mounted pawl adapted to snap behind a shoulder of said traction rod upon the end-position of the gripper being attained, and means for releasing the locking device.

14. In an autographic register as specified in claim 13, a knob provided on a wall of the register casing, a spring actuating the knob, and means so connecting the knob and the locking device that the locking device is released on pressing in the knob.

15. In an autographic register as specified in claim 13, an operating crank to actuate the feeding means and strip aligning operations, a knob for releasing the locking device, provided on a wall of the register casing and projecting outside said wall thus forming a stop for the crank.

16. An autographic register having, in combination, means for feeding a plurality of superimposed strips of paper having spaced transverse weakening lines, a transverse strip checking edge, a pivotally mounted strip gripper mounted on the connecting axis of two rocking levers, a spring actuating the strip gripper, a traction rod connected to the rocking levers at one end and engaging the axis of the strip feeding means at the other end, a driving member secured to the axis of the strip feeding means and adapted to draw on the traction rod and the levers bearing the strip gripper shortly before the weakened line of the paper strips arrives at the strip checking edge.

WILHELM HARTWIEG. 

